Muscles are connected to tendons to power animal movements such as running, swimming or flying. Forces are produced by contractile chains of the proteins actin and myosin, which pull on muscle-tendon connections called attachments. ...
Biochemistry
Apr 5, 2019
0
9
Proteins made in our cells are folded into specific shapes so they can fulfill their functions. Scientists have discovered the static structures of over 100,000 proteins, but how they change in response to forces on the cell, ...
Biochemistry
Mar 1, 2019
0
9
The serve is arguably the most important component of the modern tennis game – and the faster, the better.
General Physics
Jan 14, 2019
1
9
Long, heavy limbs such as arms or legs differ fundamentally from short, light limbs such as fingers in their ability to execute fast movements. While the central nervous system has actively controls fast movements of large ...
Plants & Animals
Jan 10, 2019
0
4
Researchers from Virginia Tech and the University of Pittsburgh have collaborated to employ a novel nanoscale fibrous system that can measure the tiny forces exerted by and upon individual cells with extreme precision. The ...
Cell & Microbiology
Jul 10, 2017
0
7
Engineers at the University of California San Diego have developed a miniature device that's sensitive enough to feel the forces generated by swimming bacteria and hear the beating of heart muscle cells.
Optics & Photonics
May 15, 2017
0
1367
Move over, hyenas and saber-toothed cats; there's a mammal with an even stronger bite. A new study by Burke Museum and University of Washington paleontologists describes an early marsupial relative called Didelphodon vorax ...
Archaeology
Dec 8, 2016
1
646
In a concrete bunker set upon bedrock on the Northern Arizona University campus lies an instrument delicate enough to manipulate a single molecule.
Cell & Microbiology
Jan 18, 2016
0
9
New research indicates that cockroaches use a combination of fast and slow twitch muscle fibers to give their mandibles a 'force boost' that allows them to chew through tough materials.
Plants & Animals
Nov 11, 2015
1
41
(Phys.org)—A trio of researchers affiliated with the University of Ulm in Germany and the Smithsonian Tropical Research Institute in Panama has found that one species of bat has a method of collecting nectar that has never ...
